﻿/* Copyright (c) Microsoft Corporation.  All rights reserved.


 Use of this sample source code is subject to the terms of the Microsoft
 license agreement under which you licensed this sample source code. If
 you did not accept the terms of the license agreement, you are not
 authorized to use this sample source code. For the terms of the license,
 please see the license agreement between you and Microsoft or, if applicable,
 see the LICENSE.RTF on your install media or the root of your tools installation.
 THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.


Microsoft Public License (MS-PL)


This license governs use of the accompanying software. If you use the software, you
 accept this license. If you do not accept the license, do not use the software.
 
1. Definitions
 The terms "reproduce," "reproduction," "derivative works," and "distribution" have the
 same meaning here as under U.S. copyright law.
 A "contribution" is the original software, or any additions or changes to the software.
 A "contributor" is any person that distributes its contribution under this license.
 "Licensed patents" are a contributor's patent claims that read directly on its contribution.
 
2. Grant of Rights
 (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution or any derivative works that you create.
 (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution in the software or derivative works of the contribution in the software.
 
3. Conditions and Limitations
 (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
 (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your patent license from such contributor to the software ends automatically.
 (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution notices that are present in the software.
 (D) If you distribute any portion of the software in source code form, you may do so only under this license by including a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or object code form, you may only do so under a license that complies with this license.
 (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a particular purpose and non-infringement. */

using System;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Xml;
using System.Threading;

namespace SensorApp
{
    public partial class SensorForm : Form
    {
        public SensorForm()
        {
            InitializeComponent();
        }

        #region AzureSensor Specific

        private const string websiteURL = "{your_web_site_URL_here}";
        private int randomTemperature;

        private void SendButton_Click(object sender, EventArgs e)
        {
            randomTemperature = (new Random().Next()) % 100;
            label.Text = "Current temperature is: " + randomTemperature + '\n';
            label.Text += "Sending data...\n";

            Thread workerThread = new Thread(SendRequest);
            workerThread.Start();
        }

        private void SendRequest()
        {
            string sURL = websiteURL + "/SensorDataService.svc/UploadTemp?temp=" + randomTemperature;
            WebRequest wrGETURL = WebRequest.Create(sURL);

            // send request, get response, and display the result
            try
            {
                Stream objStream = wrGETURL.GetResponse().GetResponseStream();
                StreamReader objReader = new StreamReader(objStream);
                string sLine = ""; // buffer for each line read
                string sResponse = ""; // buffer for whole response

                while ((sLine = objReader.ReadLine()) != null)
                {
                    sResponse += sLine;
                }

                String sResult = "Success!\n";

                // use XmlReader to read ID and Temperature in sResponse
                using (XmlReader reader = XmlReader.Create(new StringReader(sResponse)))
                {
                    while (reader.Read())
                    {
                        if (reader.MoveToContent() == XmlNodeType.Element && reader.Name == "d:ID")
                        { sResult += ("ID: " + reader.ReadString() + '\n'); }
                        if (reader.MoveToContent() == XmlNodeType.Element && reader.Name == "d:Temperature")
                        { sResult += ("Temperature: " + reader.ReadString() + '\n'); }
                    }
                }

                this.Invoke((System.Threading.ThreadStart)delegate
                {
                    label.Text += "\n" + sResult;
                });

                // close StreamReader and Stream
                objReader.Close();
                objStream.Close();
            }
            catch (Exception excep)
            {
                this.Invoke((System.Threading.ThreadStart)delegate
                {
                    label.Text += "Exception:\n" + excep.Message + '\n' + excep.StackTrace;
                });
            }
        }

        #endregion

    }
}
